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Finding the Fourth Proportional to 323,750.55, 485,625.83 and 323,750.55

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Solution

The fourth proportional to 323,750.55, 485,625.83 and 323,750.55 is: 485,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,750.55 : 485,625.83 = 323,750.55 : x
  2. Step 2: Convert to fraction form
    323,750.55/485,625.83 = 323,750.55/x
  3. Step 3: Cross multiply
    323,750.55x = 485,625.83 × 323,750.55
  4. Step 4: Simplify right side
    323,750.55x = 157,221,627,937.95
  5. Step 5: Solve for x
    x = 157,221,627,937.95/323,750.55
  6. Step 6: Final answer
    x = 485,625.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.